Helping to detect gastrointestinal disorders, the Gastro + TM is a portable hand-held hydrogen breath test. It is designed for health care professionals to aid in the detection of gastrointestinal ...

Conversely, FoodMarble measures hydrogen ... breath results - including the time taken for a meal to be digested, which is not always the same. "Portable, user-driven machines that test breath ...

This gastrointestinal test uses a simple, non-invasive breath hydrogen/methane test. Lactose intolerance is one of the most common gastrointestinal disorders, affecting hundreds of millions of ...